U-Turn Audio Pluto 2

MM Phono Preamp

Item #UT:PLUTO2
U-Turn Audio

U-Turn Audio Pluto 2

MM Phono Preamp

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Overview

Pluto 2 Phono Preamp - an updated version of U-Turn's Pluto Phono Preamp. The idea is the same: great sound that doesn’t break the bank. But they've added a few new twists like higher gain, active filtering, and an overhauled power supply. All in a sleeker and more compact package. These updates have also been implemented on the built-in version of our preamp, which is an option on all of U-Turn's turntables.

Dual gain stage
Pluto 2 features a second gain stage - boosting the gain level from 36 dB (single-stage) to 41 dB. Having this additional amplification at the start of the audio path rather than at your speaker/amp volume knob delivers higher output levels (louder playback) and minimizes distortion.

Active subsonic filter
Upgraded subsonic filter on Pluto 2 to an active design that more accurately eliminates inaudible frequencies from your speaker’s workload. Certain vibrations (e.g. footfalls produced by walking near your turntable) might be inaudible to the human ear, but can still play through your speakers at the expense of efficiency. The active filter keeps your music sounding more true to life by attenuating only the frequencies you don’t want to hear.

Redesigned power supply
With the help of a voltage converter, U-Turn has updated Pluto's grounding scheme to increase the stability of the cicuit. This helps to push Pluto’s performance specs further with less crosstalk, lower distortion, and higher signal-to-noise ratio (SNR).

Fully shielded aluminum enclosure
Compact aluminum housing featuring precision-machined details. The enclosure keeps Pluto’s inner workings safe from interference and noise that can be introduced by nearby cables or electronics. Available in brushed black aluminum and natural aluminum.

  • Combines elegant circuit design and high-quality components to accurately boost your turntable’s signal.
  • Features WIMA film capacitors and precision resistors for remarkably clear and accurate amplification.
  • Active subsonic filter removes low-frequency noise.
  • Dual high-performance gain stages for low THD (distortion).
  • Aluminum enclosure shields sensitive electronic components from interference.
Details & Specs
  • Input impedance: 47 kΩ
  • Input capacitance: 100 pF
  • Gain: 40 dB @ 1 kHz
  • THD+N: < 0.005% (A-weighted)
  • S/N ratio: 90 dB (A-weighted)
  • RIAA accuracy: ± 0.3 dB (20 Hz - 20 kHz)
  • Crosstalk: -89 dB (20 Hz - 20 kHz)
  • Dimensions: 3.85 x 4.5 x 1.4"
  • Weight: 10 oz
More Information
Total Harmonic Distortion < 0.005% (A-weighted)
Signal To Noise Ratio 90 dB (A-weighted)
Gain 40 dB @ 1 kHz
Impedance 47 kΩ
RIAA Equalization Curve Accuracy ± 0.3 dB (20 Hz - 20 kHz)
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